Method of sulfonation with sulfur trioxide
United States Patent 2616936
Inventors:
Mammen, Howard E.
Hervert, George L.
Publication Date:
11/04/1952
Assignee:
UNIVERSAL OIL PROD CO
Other Classes:
558/41, 546/294, 549/66
International Classes:
C07B45/02; C07B45/00
US Patent References:
| 2198595 | Process for the alkylation of aromatic compounds | | | |
| 2203441 | Water-soluble and oil-soluble sulphonic or sulphate derivatives of hydrocarbons | | | |
| 2268443 | Sulphonation of organic compounds | | | |
| 2285390 | System for manufacturing sulphonic acids | | | |
| 2290167 | Preparation of sulphonation derivatives | | | |
| 2480592 | Organic sulfonates and method of making same | | | |